Collisions and fatal crashes involving cyclists are well documented but the near misses often go unreported.
Today sees the launch of a new campaign Near Miss, highlighting the scrapes cyclists get into.
The campaign is asking cyclists to keep a cycle diary for a fortnight to track the problems.
Emily Brooke from the Near Miss campaign talks through the campaign and the gadgets cyclists can use to be safer.
We asked the public if they've had any near misses, here's what you had to say: